Seiko Cal. 4523 - 997

This Quartz model from 1976 features a 37mm Hardlex-Coated Steel case. With its 20mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-05891d31a5bd]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1976

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